In psychological terms, perception is defined as our recognition and interpretation of sensory information, as well as how we respond to the information.
To understand perception, information technology and literacy instructor Yolanda Williams asks us to think of it “as a process where we take in sensory information from our environment and use that information in order to interact with our environment. Perception allows us to take the sensory information in and make it into something meaningful.”

The purposes for reverse engineering are many and varied, ranging from the need to reproduce an existing product lacking CAD documentation to acquiring sensitive information to determine possible patent infringement

The demands on industrial data collection systems have continued to grow year over year for advances in speed, labor cost reduction, error proofing, maintainability, flexibility, accuracy, training efficiency, and exception reporting.